Fuses for Protection of Electronic Circuits

Fastron Electronics Carry a Wide Range of fuses focused in 3 main areas

I^2t Fuses including

BS88 British Fuse Links (aR)
DIN 43 653 78mm, and 108mm (aR)
Fuse Cartridge Style Fuses (gR)
European NH types (aR,Gg) - Limited Stock
USA tradtional Round Types (Class J, aR, gR) - On Request
Automotive Semiconductor Fuses (aR)

We also offer a wide range of small 6.3 x 32mm, or 5 x 20mm Fast Blow and Time Lag Fuses suitable for home appliances, power supplies, and general purpose electronic devices rated up to 20 Amp, 250VAC/125VDC.

Solar PV and EV Fuses in 10.3 x 38mm Rated up to 50 Amp, 1000VDC/275VAC

Readily available Fuse Sizes

British Fuse Links (aR)	Dimensions (Hole Centers)	Ratings	Breaking Capacity	Image
NAF	17 x 19 x 55 (42mm)	7 to 175 Amp @ 690VAC	200kA
NBF	38 x 42 x 83 (57mm)	125 to 450 Amp @ 690VAC	200kA
NBBF	38 x 83 x 83 (57mm)	300 to 800 Amp @ 690VAC	200kA
AF	17 x 20 x 76 (63.5mm)	8 to 110 Amp @ 690VAC	200kA
AAF	18 x 36 x 84 (72mm)	65 to 250 Amp @ 690VAC	200kA
BF	38 x 41 x 113 (86mm)	100 to 400 Amp @ 690VAC	200kA
BBF	38 x 83 x 113 (86mm)	175 to 500 Amp @ 690VAC	200kA

Cartridge Fuse Links (gR)	Dimensions	Ratings	Breaking Capacity	Image
NBR-FR22GR69VXXT	58 x 21mm	1 to 125 Amp	200kA @690VAC
NBR-CH14/UQ/XXA/690V	51 x 14mm	1 to 63 Amp	200kA @690VAC

Fuse Holders (Din Rail Mount)	Dimensions	Ratings
RT18-125L	58 x 21mm	0 to 90 Amp Continuous (aR/gR)	300kA @690VAC
RT18-63L	51 x 14mm	0 to 90 Amp Continuous (aR/gR)	300kA @690VAC

European NH/DIN Style (aR/HRC)	Dimensions (Hole Centres)	Ratings	Breaking Capacity
F170M-DIN 43 653 Type -/80	50 x 45 x 104/109 (78mm)	40 to 2000 Amp @ 690VAC	200kA Tested (300kA Estimated)
F170M-DIN 43 653 Type -/110	50 x 45 x 134/139 (108mm)	40 to 2000 Amp @ 690VAC	200kA Tested (300kA Estimated)
With or Without Indicators

Fuse Holders (Panel Mount)		Ratings
170H3004	For 78mm Fuses	0 to 1250 Amp @ 690VAC	300kA
170H3006	For 108mm Fuses	0 to 1250 Amp @ 690VAC	300kA

Type J	Dimensions (Hole Centres)	Ratings	Breaking Capacity	Image
On request	On request	On request	On request


gPV Solar/EV Fuses	Dimensions (Hole Centers)	Ratings	Breaking Capacity	Image
ASO	10.3 x 38mm	1 to 30 Amp @1000VDC/275VAC	20kA @1000VDC 10kA @ 275VAC
AEO	10.3 x 38mm	1 to 50 Amp @1000VDC/275VAC	20kA @1000VDC 10kA @ 275VAC

Fuse Holders (Din Rail Mount)		Ratings
FSO Series 1, 2 and 3 Pole	10.3 x 38mm	1 to 50 Amp @1000VDC/275VAC	100kA @ 1000VDC

IEC Appliance Fuses	Dimensions (Hole Centres)	Ratings	Breaking Capacity	Image
HBC Fast Blow	6.3 x 32mm	0.1 to 20 Amp @ 250VAC	10 x In @ 250VAC
FST Slow Blow	6.3 x 32mm	0.1 to 20 Amp @ 250VAC	10 x In @ 250VAC
FSF Fast Blow	5 x 20mm	0.1 to 20 Amp @ 250VAC	10 x In @ 250VAC
SPT Time Lag	5 x 20mm	0.1 to 20 Amp @ 250VAC	10 x In @ 250VAC
FST Fast Blow	5 x 20mm	0.063 to 20 Amp @ 250VAC	10 x In @ 250VAC

Fuse Holders (Panel/Screw Mount)	Coming Soon

Fuse Holders for 20x5mm and 6.3x22mm (Din Rail Mount)	Coming Soon	Suggestions welcome


Micro Fuses (PCB)	Dimensions (Hole Centres)	Ratings	Breaking Capacity	Image
MST Slow Blow	6.4 x 8.8mm	1.25 to 4 Amp @ 125VAC/63VDC	0.1kA @ 250VAC
MSF Fast Blow	6.4 x 8.8mm	1.25 to 4 Amp @ 125VAC/DC	0.1kA @ 250VAC